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参数资料
| 型号： | MAX8720ETX+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/31页 |
| 文件大小： | 0K |
| 描述： | IC CNTRL VID STP DWN 36-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 控制器，CPU GPU |
| 输入电压： | 2 V ~ 28 V |
| 输出数： | 1 |
| 输出电压： | 0.28 V ~ 1.85 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 包装： | 带卷 (TR) |
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Dynamically Adjustable 6-Bit VID
Step-Down Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, SHDN = SKIP = V DD = V CC = +5V, V OUT = 1.25V, T A = 0°C to +85°C , unless otherwise noted. Typical
values are at T A = +25°C.)
PARAMETER
Minimum Off-Time (Note 2)
SYMBOL
t OFF(MIN)
CONDITIONS
TON = V CC , open, or REF (200kHz, 300kHz,
or 550kHz)
MIN
TYP
400
MAX
500
UNITS
ns
BIAS AND REFERENCE
TON = GND (1000kHz)
300
375
Quiescent Supply Current (V CC )
Quiescent Supply Current (V DD )
Quiescent Battery Supply
Current (V+)
Shutdown Supply Current (V CC )
Shutdown Supply Current (V DD )
Shutdown Battery Supply
Current (V+)
I CC
I DD
I +
I CC
I DD
I +
FB forced above their regulation points
FB forced above their regulation points
SHDN = GND
SHDN = GND
SHDN = GND, V CC = V DD = 0V or 5V
700
<1
25
10
<1
<1
1200
5
40
25
5
5
μA
μA
μA
μA
μA
μA
Reference Voltage
V REF
V CC = 4.5V to 5.5V,
I REF = 0
T A = +25 ° C to +85 ° C
T A = 0 ° C to +85 ° C
1.985
1.98
2.00
2.00
2.015
2.02
V
Reference Load Regulation
REF Sink Current
? V REF
I REF = 0 to 50μA
REF in regulation
10
0.01
V
μA
FAULT DETECTION
V CC Undervoltage-Lockout
Threshold
Rising edge, hysteresis = 20mV, PWM
disabled below this level
4.1
4.4
V
Output Overvoltage Trip
Threshold
2.20
2.25
2.30
V
Output Overvoltage Fault-
Propagation Delay
t OVP
FB forced 2% above regulation
10
μs
Output Undervoltage-Protection
Trip Threshold
Output Undervoltage Fault-
Propagation Delay
PGOOD Transition Blanking Time
PGOOD Lower Trip Threshold
PGOOD Upper Trip Threshold
PGOOD Propagation Delay
PGOOD Output Low Voltage
t UVP
t PGOOD
With respect to unloaded output voltage
FB forced 2% below trip threshold
After X = Y, clock speed set by R TIME
Measured at FB with respect to unloaded
output voltage, hysteresis = 1%
Measured at FB with respect to unloaded
output voltage, hysteresis = 1%
Falling edge, 50mV overdrive
I SINK = 4mA
65
-17
+13
70
10
8
-15
+15
10
75
-13
+17
0.4
%
μs
clk
%
%
μs
V
PGOOD Leakage Current
Thermal-Shutdown Threshold
I PGOOD
T SHDN
High state, PGOOD forced to 5.5V
Hysteresis = 10 ° C
+150
1
μA
° C
CURRENT LIMIT
ILIM Adjustment Range
0.5
V REF
V
_______________________________________________________________________________________
3
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